Strait of Hormuz Underwriting Brief
A weekly operating picture of the Strait of Hormuz — last 7 days, sized for a marine war-risk underwriter pricing a tanker hull/war policy. The GDELT Cloud API supplies live events and assets; the macro and web examples are frozen illustrations. Other demos →
- Volume
100 structured events and 40 story clusters across 4 countries, 2026-09-30 → 2026-10-06. - Dominant narrative
Largest story cluster: "Trump threatens Iran over copilot's alleged attempt to crash flight to Israel" (497 articles). Most-mentioned actors: Houthi movement, Iranian Revolutionary Guard, Iranian Army. - Casualties
No fatal incidents recorded in the window — narrative dominated by political and infrastructure events, not direct kinetic exchanges. - Macro context
Brent Crude Oil +11.6% over the window (now 89.4 USD/bbl). Move is consistent with elevated risk premium. - Infrastructure
60 oil/gas + LNG assets in the geographic window (73.8 GW total) — defines the exposure footprint for shipping, insurance, and energy security.
Section 2 — Strait of Hormuz disruption picture
Legend · circles = events (size = magnitude, color = Goldstein severity) · diamonds = story clusters (size = article count) · squares = oil/gas + LNG terminals · click any marker for detail. Persian Gulf carries ~20% of global oil flow through the strait.
Section 3 — Marine war-risk macro · 30-day trend(frozen capture, through 2026-05-20 — not the live window above)
Illustrative frozen macro snapshot. The former Alpha Vantage MCP proxy is retired; native macro tools cover supported FRED oil series.
Section 4 — Top events · stories · named entities
Events · structured incidents · by significance
- sig 0.64POLITICALImpose Embargo/sanctions2026-09-30 · United StatesCENTCOM says blockade enforcement redirected 125 commercial vesselsU.S. Central Command (CENTCOM) (United States)→Iran (Iran)Goldstein-8.0Mag8.0Propagation57%Mkt sens38%Systemic50%
- sig 0.59ECONOMICTrade Policy Action2026-10-01 · United StatesU.S. Treasury sanctions Iran Khodro and other major firmsU.S. Department of the Treasury (United States)→Iran Khodro (IKCO) (Iran)Mag5.0Propagation59%Mkt sens70%Systemic50%
- sig 0.59POLITICALDestroy Property2026-10-03 · IranIran destroys Gohardasht Prison watchtowerIslamic Republic of Iran (Iran)→Gohardasht Prison watchtower (Iran)Goldstein-9.2Mag9.0Propagation34%Mkt sens5%Systemic20%
- sig 0.56POLITICALThreaten Blockade2026-10-04 · United StatesTrump threatens a US blockade of the Strait of HormuzUnited States (United States)→Iran (Iran)Goldstein-7.0Mag6.0Propagation54%Mkt sens5%Systemic70%
- sig 0.53BattlesArmed clash2026-10-01 · IranIranian Revolutionary Guard reports six gunmen killed in Zahedan clashesIslamic Revolutionary Guard Corps (Iran)→Unidentified Armed Group (Iran) (Iran)Goldstein-10.0
- sig 0.52POLITICALThreaten with Military Force2026-10-03 · United StatesPete Hegseth warns Iran as Trump keeps military options openPete Hegseth (United States)→Iran (Iran)Goldstein-7.0Mag6.0Propagation54%Mkt sens5%Systemic28%
- sig 0.51POLITICALMobilize/increase Armed Forces2026-10-04 · United StatesUnited States deploys 9,000 personnel to the Middle EastUnited States (United States)→Iran (Iran)Goldstein-7.2Mag7.0Propagation42%Mkt sens5%Systemic23%
- sig 0.51POLITICALMobilize/increase Armed Forces2026-09-30 · IsraelIsraeli Air Force scrambles fighters after Flydubai alertIsraeli Air Force (Israel)→Flydubai aircraft (United Arab Emirates)Goldstein-7.2Mag7.0Propagation28%Mkt sens5%Systemic11%
- sig 0.51Violence against civiliansAttack2026-09-30 · IranIranian authorities execute two men linked to Mashhad protestsIranian authorities (Iran)→Ali Hemati and Majid Nikandish (Iran)Goldstein-9.0
- sig 0.50POLITICALDemand Easing of Economic Sanctions, Boycott, or Embargo2026-10-01 · United StatesIran demands US lift oil sanctions in Hormuz reopening proposalIran (Iran)→United States (United States)Goldstein-5.0Mag5.0Propagation48%Mkt sens5%Systemic63%
- sig 0.50ECONOMICCurrency Event2026-09-30 · IranCentral Bank of Iran lets market set rial exchange rateCentral Bank of Iran (Iran)→Iranian rial (Iran)Mag5.0Propagation52%Mkt sens70%Systemic42%
- sig 0.49POLITICALExhibit Force Posture2026-10-04 · IranIranian Army begins civilian military training in TehranIranian Army (Iran)→Iranian citizens (Iran)Goldstein-7.2Mag7.0Propagation40%Mkt sens5%Systemic17%
- sig 0.49POLITICALCoerce2026-10-05 · IranCENTCOM redirects 130 commercial ships under Iran blockadeCENTCOM (United States)→130 commercial shipsGoldstein-5.0Mag7.0Propagation51%Mkt sens38%Systemic40%
- sig 0.49POLITICALExhibit Force Posture2026-10-03 · IranIran opens Tehran center to train civilians for defenseIran (Iran)→United States (United States)Goldstein-7.2Mag7.0Propagation36%Mkt sens5%Systemic13%
- sig 0.48POLITICALExhibit Force Posture2026-10-02 · United StatesUnited States deploys Patriot systems in the Gulf amid Iran tensionsUnited States (United States)→Iran (Iran)Goldstein-7.2Mag7.0Propagation41%Mkt sens5%Systemic25%
Stories · article clusters · by reach
Story2026-10-02· Iransig 0.67Trump threatens Iran over copilot's alleged attempt to crash flight to Israel497 articles4 linked eventsConflict securityvia aljazeera.com
Story2026-10-01· United Kingdomsig 0.60UK PM says Iran likely played role in suspected Fairford terror plot261 articlesConflict securityvia aljazeera.com
Story2026-10-04· United Arab Emiratessig 0.57Flydubai reportedly hired Omani pilot despite extremist concerns and no background check185 articles1 linked eventCrimevia latimes.com
Story2026-10-01· United Statessig 0.52Rubio asks Iranian delegation to leave New York City124 articles1 linked eventPoliticalvia foxnews.com
Story2026-10-03· United Statessig 0.52Trump urges Americans to endure high fuel prices as Iran war continues114 articlesPoliticalvia bbc.com
Story2026-09-30· Iransig 0.50Iran threatens new strikes as it awaits US response to Hormuz plan100 articles4 linked eventsConflict securityvia aawsat.com
Story2026-10-03· United Kingdomsig 0.50Two Iranian men charged over alleged bomb plot targeting Manchester Jewish community96 articlesConflict securityvia bbc.com
Story2026-10-06· United Statessig 0.48Trump taunts Iran to attack Los Angeles or San Diego in war rant84 articlesPoliticalvia aljazeera.com
Named entities
- IIIslamic Republic of IranplaceArticles2Stories1Events0
- IIIran InternationalorganizationArticles0Stories0Events0
- IAIranian Armed ForcesorganizationArticles1Stories1Events1
- HMHouthi movementorganizationArticles96Stories70Events29
- IRIranian Revolutionary GuardorganizationArticles37Stories28Events15
- IAIran AirorganizationArticles4Stories4Events1
- IAIranian ArmyorganizationArticles8Stories8Events3
- CBCentral Bank of IranorganizationArticles7Stories7Events2
- IPIranian Parliament religious minority reserved seatsorganizationArticles0Stories0Events0
- IRIslamic Republic of Iran Armed ForcesorganizationArticles0Stories0Events0
Illustrative web context · sample text, not sourced reporting(frozen capture — not the live window above)
Marine war-risk underwriters lifted premiums on VLCCs transiting the Strait of Hormuz by 35 basis points this week, citing escalating tensions...
Iran's Revolutionary Guard Corps boarded and seized a Greek-flagged tanker near Larak Island, the third such seizure this year...
Gulf Cooperation Council oil ministers convened an emergency session as renewed Strait of Hormuz tensions threaten to disrupt 20% of global oil flow...